Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms ?

Explanation

**Step-by-Step Solution:**

1. **Definition of Organisms**:
- Aquatic organisms are those that live in water (e.g., fish, amphibians).
- Terrestrial organisms are those that live on land (e.g., mammals, birds).

2. **Oxygen Availability**:
- In aquatic environments, the concentration of dissolved oxygen is significantly lower than the amount of oxygen available in the air for terrestrial organisms.
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